Motor membrane



FIG. 1 is a front view of the membrane showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a perspective front view thereof;

FIG. 5 is a perspective rear view thereof;

FIG. 6 is a perspective front view of the membrane inserted in a motor; and,

FIG. 7 is a perspective rear view of the membrane inserted in a motor.

The broken lines show unclaimed subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a motor membrane, as shown and described. 